diff --git a/requirements.txt b/requirements.txt
index 5cc131f..c40aba6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ pytz==2018.4
 PyYAML==3.12
 requests==2.18.4
 requests-oauthlib==0.8.0
-rsa==3.4.2
+rsa==4.1
 six==1.11.0
 urllib3==1.22
 websocket-client==0.47.0